結果
問題 | No.1000 Point Add and Array Add |
ユーザー | ir5 |
提出日時 | 2024-06-21 15:42:09 |
言語 | C++23(gcc13) (gcc 13.2.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 6,079 bytes |
コンパイル時間 | 2,105 ms |
コンパイル使用メモリ | 153,364 KB |
実行使用メモリ | 25,228 KB |
最終ジャッジ日時 | 2024-06-21 15:42:18 |
合計ジャッジ時間 | 8,356 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
(要ログイン)
テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
6,812 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,944 KB |
testcase_03 | AC | 2 ms
6,944 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 2 ms
6,940 KB |
testcase_06 | AC | 2 ms
6,940 KB |
testcase_07 | AC | 2 ms
6,944 KB |
testcase_08 | AC | 2 ms
6,944 KB |
testcase_09 | AC | 2 ms
6,940 KB |
testcase_10 | AC | 2 ms
6,940 KB |
testcase_11 | AC | 2 ms
6,944 KB |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | AC | 543 ms
25,088 KB |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
ソースコード
#include <algorithm> #include <cassert> #include <cstdio> #include <cstdlib> #include <cstring> #include <cmath> #include <iostream> #include <numeric> #include <vector> #include <map> #include <set> #include <queue> #include <functional> #include <iomanip> using namespace std; using ll = long long; class range {private: struct I{int x;int operator*(){return x;}bool operator!=(I& lhs){return x<lhs.x;}void operator++(){++x;}};I i,n; public:range(int n_):i({0}),n({n_}){}range(int i_,int n_):i({i_}),n({n_}){}I& begin(){return i;}I& end(){return n;}}; template<typename T, typename U> ostream& operator<<(ostream& os, const pair<T, U>& p){ return os << "{" << p.first << ", " << p.second << "}"; } template<typename T> ostream& operator<<(ostream& os, const vector<T>& obj) { os << "{"; for (const auto& e : obj) os << e << ", "; return os << "}"; } template<typename T> ostream& operator<<(ostream& os, const set<T>& obj) { os << "set{"; for (const auto& e : obj) os << e << ", "; return os << "}"; } template<typename T, typename U> ostream& operator<<(ostream& os, const map<T, U>& obj) { os << "map{"; for (const auto& e : obj) os << e << ", "; return os << "}"; } template<typename T> void take(vector<T>& vec, int n) { vec.resize(n); for (int i = 0; i < n; ++i) cin >> vec[i]; } #ifdef ONLINE_JUDGE #define dump(expr) ; #else #define dump(expr) { cerr << "\033[33m#L" << __LINE__ << ": " << expr << "\033[39m" << endl; } #endif // range update, range query segment tree // based on https://maspypy.com/segment-tree-%e3%81%ae%e3%81%8a%e5%8b%89%e5%bc%b72 template <typename X, typename A> struct LazySegmentTree { int n; vector<X> xs; vector<A> as; function<X(X, X)> fun; // (x @ y) fold function function<X(X, A)> op; // (x ^ a) operator function<A(A, A)> comp; // (a $ b) composition X unit_x; A unit_a; // Requirements: // (x @ y) @ z = x @ (y @ z) // (x^a) @ (y^a) = (x @ y)^a // (x^a)^b = x^(ab) // (a $ b) $ c = a $ (b $ c) LazySegmentTree( int n_, function<X(X, X)> fun_, function<X(X, A)> op_, function<A(A, A)> comp_, X unit_x_, A unit_a_ ) : n(n_), xs(2 * n, unit_x_), as(2 * n, unit_a_), fun(fun_), op(op_), comp(comp_), unit_x(unit_x_), unit_a(unit_a_) {} void build(vector<X> seq) { assert((int)seq.size() == n); for (int i : range(n)) xs[n + i] = seq[i]; for (int i = n - 1; i >= 1; --i) xs[i] = fun(xs[i << 1], xs[(i << 1) | 1]); } void setval(int i, X x) { // xs[i] := x i += n; propagate_above(i); xs[i] = x; as[i] = unit_a; recalc_above(i); } X at(int i) { // returns xs[i] i += n; propagate_above(i); return eval_at(i); } X fold(int l, int r) { // xs[l] @ xs[l + 1] @ ... @ xs[r - 1] l += n; r += n; propagate_above(l / (l & -l)); propagate_above(r / (r & -r) - 1); X vl = unit_x; X vr = unit_x; while (l < r) { if (l & 1) { vl = fun(vl, eval_at(l)); l++; } if (r & 1) { r--; vr = fun(eval_at(r), vr); } l >>= 1; r >>= 1; } return fun(vl, vr); } void operate_range(int l, int r, A a) { // x[l ] := x[l ] ^ a // x[l + 1] := x[l + 1] ^ a // ... // x[r - 1] := x[l - 1] ^ a l += n; r += n; propagate_above(l / (l & -l)); propagate_above(r / (r & -r) - 1); while (l < r) { if (l & 1) { as[l] = comp(as[l], a); l++; } if (r & 1) { r--; as[r] = comp(as[r], a); } l >>= 1; r >>= 1; } recalc_above(l / (l & -l)); recalc_above(r / (r & -r) - 1); } //--------------------------------------- // auxiliary methods //--------------------------------------- X eval_at(int i) { return op(xs[i], as[i]); } void propagate_at(int i) { xs[i] = eval_at(i); as[i << 1] = comp(as[i << 1], as[i]); as[(i << 1) | 1] = comp(as[(i << 1) | 1], as[i]); as[i] = unit_a; } void propagate_above(int i) { const int max_bitlen = 25; for (int h = max_bitlen; h >= 1; --h) { if (i >> h) propagate_at(i >> h); } } void recalc_above(int i) { while (i > 1) { i >>= 1; xs[i] = fun(eval_at(i << 1), eval_at((i << 1) | 1)); } } }; namespace solver { template<typename T1, typename T2> struct In2 { T1 a; T2 b; friend std::istream& operator>>(std::istream& is, In2& obj) { T1 t1; T2 t2; is >> t1 >> t2; obj = {t1, t2}; return is; } }; template<typename T1, typename T2, typename T3> struct In3 { T1 a; T2 b; T3 c; friend std::istream& operator>>(std::istream& is, In3& obj) { T1 t1; T2 t2; T3 t3; is >> t1 >> t2 >> t3; obj = {t1, t2, t3}; return is; } }; ll n, q; vector<ll> vs; vector<In3<char, ll, ll>> vq; void read() { cin >> n >> q; take(vs, n); take(vq, q); } using RetType = void; RetType run() { using Pll = pair<ll, ll>; LazySegmentTree<Pll, ll> seg( n, [](Pll, Pll) -> Pll { return {0, 0}; }, [](Pll p, ll a) -> Pll { return {p.first, a * p.first + p.second}; }, [](ll a, ll b) -> char { return a + b; }, Pll(0, 0), 0 ); vector<Pll> init(n); for (int i : range(n)) init[i].first = vs[i]; seg.build(init); for (auto query : vq) { if (query.a == 'A') { // add ll i = query.b - 1; Pll p = seg.at(i); p.first += query.c; seg.setval(i, p); } else { // act ll i = query.b - 1; ll j = query.c - 1; seg.operate_range(i, j + 1, 1); } dump(seg.xs); dump(seg.as); dump(seg.xs); dump(seg.as); } for (int i : range(n)) cout << seg.at(i).second << " "; cout << endl; } } // namespace template <typename F> void run(F f) { if constexpr (std::is_same_v<decltype(f()), void>) f(); else cout << f() << endl; } int main(int argc, char** argv) { cerr << fixed << setprecision(12); cout << fixed << setprecision(12); int testcase = 1; if (argc > 1) testcase = atoi(argv[1]); while (testcase--) { solver::read(); } run(solver::run); }